Seo Dong-soo

Thirst

2009 · as Hyo-seong

A Werewolf Boy

2012 · as Army Colonel (uncredited)

White Night

2009 · as Crime Lab Investigation Team Leader

Tazza: The High Rollers

2006 · as Yong-pal

Seven Days

2007 · as Dr. Cho

Duelist

2005 · as Bongchulpae

Private Eye

2009 · as Fat Man

Voice of Silence

2020 · as Young-mook

Elephant in the Room

2016 · as Doctor Seo

National Security

2012 · as Section Chief Baek

Running Turtle

2009 · as Fat Man

First Love

1993 · as Seoul University Theatre Class

Pisces

2000 · as Blue Note Owner

Bitter and Sweet

1995 · as Security guard Kang

M

2007 · as Editor in chief

Habitat

2018 · as Neighbor